ActionScript 3.0 :: EventListener Inside MovieClip Not Responding?

Aug 9, 2009

I'm trying to create a fairly simple website entirely in flash. I have navigation on the left (Home, and Shapes) and when you click on Shapes, two things change: my main content called mcContent (which is a movieClip) changes to its second frame (called shapes) and you see a few shapes. Below the main content is another movieclip called mcBottom which does something similar, goes to it's second frame (called shapes) and you see two shapes, a red and green square.The problem is that I want the user to be able to click the red square and have the red square movieclip called mcRed go to it's second frame (called mcRedContent) but it doesn't work. I believe it has something to do with the hierarchy of my objects but I can't seem to figure it out. The error that I get when compiling is:Code:TypeError: Error #1009: Cannot access a property or method of a null object reference.at trouble_fla::mcBottom_4/frame1()Here is a link to the fla:

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